Background: Trauma is the leading cause of death among teens and youth in the developing countries. Head injury accounts for nearly onethird of all trauma deaths and is the leading cause of disability and economic loss. The aim was to study the aetiological pattern of head injury and to highlight the burden of the aetiological factors in our setting. Materials and method: A prospective study on patients admitted with traumatic brain injury at Abubakar Tafawa Balewa University Teaching Hospital, Bauchi, a tertiary hospital located in North-eastern Nigeria with neurosurgical services being rendered to her primary and referred patients. Data were collected using structured proforma and were analysed using SPSS version 20 software. Descriptive statistics expressed in mean, frequency and percentages. Results: Five hundred and thirty-seven patients were recruited into the study.